condition mean min max 12pM Fe,Midday 26.4559 26.4559 26.4559 12pM Fe,Midnight 28.0191 27.8999 28.1383 58pM Fe,Midday 36.7102 36.7102 36.7102 58pM Fe,Midnight 31.8123 19.7407 98.6507 233pM Fe,Midnight 18.403933333333335 17.8585 18.8891 1160pM Fe,Midday 25.00682857142857 22.5184 29.2491 1160pM Fe,Midnight 15.47355 13.1313 17.9804 High carbon,Dark 18.820462 1.2462 35.2917 High carbon,Light 15.770644615384615 1.25303 37.6534 Low carbon,Dark 16.2339 16.2339 16.2339 Phloroglucinol 19.306466666666665 12.3105 25.5241 Silicon starvation,12h 11.0526 11.0526 11.0526